stem rising through hand wheel type gate valve , Inside screw non rising stem type gate valve, wedged gate valve, double disc parallel seat gate valve ,,flat gate valve, and so on.
Pressure Seal Gate Valve：
Nominal diameter : 2”-48”(50-1200mm)
Nominal pressure :. 900-2500lb(16.0-42.0Mpa)
Optional Body Material: A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex,WC6, WC9, C5 ,A105,F304.F304L.F316.F316L.12CrMoV,15CrMo1V,1Cr5Mo etc.
Nominal Standard：GB, API, ANSI, JIS, BD, DIN, NF standard .
1、Compact structure, beautiful shape, all-pass road runoff, flow resistance coefficient。
2、Seal face using alloy steel or hard alloy the seal materials matching rational and long service life。
3、Disc structure type：Flexible wedge single disc or rigid wedge single disc.Stem surface after nitrogen treatment, with good corrosion resistance, resistance to friction. The packing is flexible graphite , sealing, reliable, flexible, open and close torque is small.
4、Can choose a variety of standard pipe flanges and flange sealing surface type, can use manual, worm gear drive, electric, pneumatic, hydraulic drives and other ways to meet the different needs of users.